Preheat oven to 400ºF.
In a bowl, mix together one jar of BakeGood Unsweetened Apple Pie Filling with sugar, set aside.
In a separate bowl, mix flour, brown sugar, rolled oats, and butter until mixture resembles coarse crumbs.
Fill each cavity of tart shells with prepared pie filling, top with streusel topping.
Bake for 25~30 minutes, or until toppings are golden brown.
Let cool for 15 minutes before serving.
*Sweetener Options – adjust sugar amount or sweetener type, based on your liking.
**Flour Options – can be substituted cup-for-cup with all-purpose flour.